Home / 374,342.50-561,176.79-137,634.58

Finding the Fourth Proportional to 374,342.50, 561,176.79 and 137,634.58

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Solution

The fourth proportional to 374,342.50, 561,176.79 and 137,634.58 is: 206,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,342.50 : 561,176.79 = 137,634.58 : x
  2. Step 2: Convert to fraction form
    374,342.50/561,176.79 = 137,634.58/x
  3. Step 3: Cross multiply
    374,342.50x = 561,176.79 × 137,634.58
  4. Step 4: Simplify right side
    374,342.50x = 77,237,331,797.40
  5. Step 5: Solve for x
    x = 77,237,331,797.40/374,342.50
  6. Step 6: Final answer
    x = 206,327.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.